11th class Computer Unit 5 MCQs
101. The CPU is housed in a single chip called:
a. Graphic processor
b. Microprocessor
c. Language processor
d. Data processor
102. The circuit board on which the processor and other chips are placed is called:
a. Master circuit
b. Big board
c. Connector for circuit
d. Motherboard
103. Which component of CPU decides the operations to be performed by the CPU?
a. Register
b. ALU
c. None
d. Control unit
104. Which component of CPU is used to compare data?
a. Memory
b. ALU
c. None
d. Control
105. Which component of CPU interacts with primary memory?
a. BUS
b. ALU
c. USB
d. Control unit
106. Which computer memory is used to store programs and data being processed by the CPU?
a. EPROM
b. ROM
c. PROM
d. RAM
107. RAM stands for:
a. Random access memory
b. Readily available memory
c. Remember all memory
d. Read and more memory
108. Which one is faster?
a. Register
b. RAM
c. Hard disk
d. Cache
109. The address of instruction under the processor execution is contained within:
a. Memory address register
b. Program counter
c. Memory buffer register
d. Current instruction register
110. ……… is not kind of register.
a. Math processor
b. Flag
c. Accumulator
d. Segment
111. Which of the following register acts as counter register?
a. DX
b. AX
c. CX
d. BX
112. The temporary storage area within CPU is called:
a. RAM
b. Registers
c. HDD
d. ROM
113. Register that collect the results of computations are called:
a. Storage register
b. Instruction pointer
c. Accumulator
d. Storage
114. Which one is signal?
a. Interrupt
b. 1/0
c. Memory
d. DMA
115. All are general purpose registers except?
a. EDX
b. EBX
c. EEX
d. ECX
116. Which register holds the address of next instruction to be fetched for execution?
a. IR
b. MAR
c. PC
d. MBR
117. Extra segment register deals with:
a. Mathematical data
b. Stock data
c. Variables
d. 1/0 units
118. ……… is not a kind of register.
a. Accumulation
b. Flag
c. Math-Co-Processor
d. Segment
119. Which register has special role in division and multiplication?
a. CX
b. AX
c. DX
d. BX
120. Which CPU register hold the address of next instruction to be executed?
a. Memory address register
b. Instruction register
c. Program counter register
d. Memory buffer register
121. The size of segment register is:
a. 4 bytes
b. 1 byte
c. 8 bytes
d. 2 bytes
122. Which of the following is a signal?
a. Interrupt
b. 1/0
c. Memory
d. DMA
123. All of the following may be stored registers except:
a. Data
b. Program instruction
c. CPU instruction set
d. Memory addresses
124. There are ……… type of general purpose register.
a. Four
b. Two
c. Eight
d. Three
125. The size of EAX register can be up to:
a. 4 bytes
b. 4 bit
c. 4 mb
d. 4 kb